3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = "Théodore Roszak"; #$iso88591_1 = utf8_decode($text); $conversion = iconv('UTF-8', 'ISO-8859-1', $iso88591_1); echo 'result:'.$conversion;

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0100.00316.88
8.3.50.0100.00922.06
8.3.40.0140.00018.85
8.3.30.0030.01218.46
8.3.20.0040.00420.05
8.3.10.0080.00023.71
8.3.00.0000.00819.79
8.2.180.0140.00016.50
8.2.170.0140.00022.96
8.2.160.0040.01120.52
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0050.00319.29
8.2.120.0000.00826.35
8.2.110.0040.01420.54
8.2.100.0060.00617.93
8.2.90.0030.00519.22
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0000.01018.05
8.2.50.0040.00418.07
8.2.40.0080.00022.13
8.2.30.0000.00720.52
8.2.20.0040.00417.79
8.2.10.0040.00417.98
8.2.00.0000.00718.09
8.1.280.0100.00325.92
8.1.270.0040.00420.30
8.1.260.0000.00728.09
8.1.250.0050.00328.09
8.1.240.0030.00723.84
8.1.230.0040.00817.70
8.1.220.0040.00417.76
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0080.00017.22
8.1.180.0080.00018.10
8.1.170.0000.00818.46
8.1.160.0070.00020.61
8.1.150.0000.00718.74
8.1.140.0050.00319.38
8.1.130.0070.00017.57
8.1.120.0070.00017.43
8.1.110.0000.00717.39
8.1.100.0040.00417.42
8.1.90.0000.00817.39
8.1.80.0070.00017.38
8.1.70.0050.00217.23
8.1.60.0000.00817.39
8.1.50.0040.00417.37
8.1.40.0000.00817.44
8.1.30.0040.00417.56
8.1.20.0020.00517.57
8.1.10.0000.00817.44
8.1.00.0030.00517.48
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0070.00018.43
8.0.270.0000.00717.29
8.0.260.0030.00317.16
8.0.250.0030.00316.98
8.0.240.0050.00216.87
8.0.230.0030.00617.02
8.0.220.0040.00416.81
8.0.210.0040.00416.90
8.0.200.0030.00316.97
8.0.190.0080.00016.98
8.0.180.0000.00716.98
8.0.170.0000.00816.96
8.0.160.0100.00316.87
8.0.150.0070.00016.95
8.0.140.0000.00716.94
8.0.130.0030.00313.30
8.0.120.0030.00617.12
8.0.110.0030.00617.01
8.0.100.0030.00617.10
8.0.90.0080.00317.11
8.0.80.0180.01116.99
8.0.70.0000.00916.91
8.0.60.0060.00316.99
8.0.50.0050.00517.09
8.0.30.0080.01017.19
8.0.20.0090.01117.40
8.0.10.0030.00616.97
8.0.00.0100.01116.83
7.4.330.0020.00216.79
7.4.320.0030.00316.37
7.4.300.0000.00616.53
7.4.290.0000.00716.38
7.4.280.0040.00416.49
7.4.270.0000.00716.42
7.4.260.0000.00816.40
7.4.250.0040.00416.55
7.4.240.0040.00416.67
7.4.230.0030.00516.71
7.4.220.0100.01616.60
7.4.210.0050.01316.67
7.4.200.0000.00916.58
7.4.160.0140.01116.49
7.4.150.0080.01217.40
7.4.140.0140.00817.86
7.4.130.0110.00816.76
7.4.120.0090.01116.74
7.4.110.0070.01316.55
7.4.100.0030.01616.59
7.4.90.0070.01416.61
7.4.80.0070.01319.39
7.4.70.0120.00816.54
7.4.60.0140.00616.46
7.4.50.0080.01116.37
7.4.40.0120.00616.41
7.4.30.0160.00316.37
7.4.20.0090.00916.09
7.4.10.0080.01116.05
7.4.00.0090.00715.88
7.3.330.0030.00213.01
7.3.320.0000.00613.23
7.3.310.0050.00316.41
7.3.300.0030.00616.29
7.3.290.0000.00816.40
7.3.280.0060.01416.42
7.3.270.0070.01117.40
7.3.260.0090.00916.54
7.3.250.0100.01116.49
7.3.240.0060.01316.36
7.3.230.0060.01216.39
7.3.210.0120.00616.61
7.3.200.0090.00916.58
7.3.190.0080.01016.36
7.3.180.0120.00516.42
7.3.170.0080.01216.45
7.3.160.0060.01216.56
7.3.150.0110.00716.55
7.3.140.0040.01516.39
7.3.130.0080.01116.63
7.3.120.0110.00716.48
7.3.110.0110.00716.48
7.3.100.0120.00616.23
7.3.90.0060.01216.35
7.3.80.0070.01316.40
7.3.70.0180.00016.28
7.3.60.0120.00816.40
7.3.50.0110.00716.40
7.3.40.0110.00616.36
7.3.30.0140.00416.40
7.3.20.0040.01416.32
7.3.10.0090.01016.45
7.3.00.0120.00716.47
7.2.330.0130.00716.95
7.2.320.0030.01716.88
7.2.310.0140.00516.69
7.2.300.0110.01116.61
7.2.290.0110.00916.72
7.2.280.0110.00816.57
7.2.270.0120.00616.70
7.2.260.0060.01316.77
7.2.250.0060.01216.51
7.2.240.0090.00916.56
7.2.230.0060.01216.81
7.2.220.0030.01616.56
7.2.210.0080.01216.63
7.2.200.0140.00616.70
7.2.190.0110.01016.55
7.2.180.0100.01016.80
7.2.170.0130.00616.70
7.2.160.0140.00516.56
7.2.150.0400.01116.58
7.2.140.0090.01616.70
7.2.130.0100.00816.90
7.2.120.0050.01216.84
7.2.110.0070.01016.82
7.2.100.0060.01116.72
7.2.90.0070.01016.63
7.2.80.0070.00916.67
7.2.70.0070.00916.79
7.2.60.0160.00716.75
7.2.50.0070.01116.74
7.2.40.0090.00716.81
7.2.30.0070.00916.66
7.2.20.0060.01016.82
7.2.10.0100.00716.83
7.2.00.0090.00917.45
7.1.330.0140.01415.75
7.1.320.0260.00315.72
7.1.310.0090.00915.55
7.1.300.0090.00915.73
7.1.290.0110.00715.65
7.1.280.0110.00815.63
7.1.270.0190.01115.68
7.1.260.0260.00515.61
7.1.250.0140.00715.65
7.1.240.0100.01215.77
7.1.230.0130.00615.71
7.1.220.0130.00915.72
7.1.210.0090.00915.64
7.1.200.0070.00915.76
7.1.190.0180.00015.48
7.1.180.0090.00915.63
7.1.170.0030.01415.66
7.1.160.0080.01115.63
7.1.150.0210.00515.54
7.1.140.0090.00915.54
7.1.130.0130.00315.49
7.1.120.0100.00715.53
7.1.110.0070.01015.79
7.1.100.0120.01116.88
7.1.90.0070.01015.79
7.1.80.0130.00615.67
7.1.70.0050.01016.40
7.1.60.0090.01217.57
7.1.50.0070.01416.42
7.1.40.0120.00615.66
7.1.30.0050.01315.64
7.1.20.0040.01315.75
7.1.10.0080.00815.55
7.1.00.0080.04019.05
7.0.330.0080.01315.22
7.0.320.0070.01015.36
7.0.310.0070.01115.49
7.0.300.0080.01015.37
7.0.290.0110.00715.34
7.0.280.0140.00715.31
7.0.270.0040.01215.39
7.0.260.0070.01015.34
7.0.250.0120.00615.41
7.0.240.0120.00815.46
7.0.230.0110.00815.34
7.0.220.0060.01015.43
7.0.210.0110.00715.63
7.0.200.0050.00716.22
7.0.190.0100.00715.45
7.0.180.0100.00715.49
7.0.170.0030.01315.44
7.0.160.0070.01015.40
7.0.150.0110.00815.63
7.0.140.0200.00815.32
7.0.130.0200.00815.39
7.0.120.0240.00315.41
7.0.110.0110.01415.34
7.0.100.0120.04017.70
7.0.90.0290.04817.63
7.0.80.0230.03517.76
7.0.70.0180.04217.62
7.0.60.0080.03617.72
7.0.50.0140.02717.89
7.0.40.0120.04217.83
7.0.30.0100.03617.89
7.0.20.0060.03117.76
7.0.10.0120.04417.77
7.0.00.0120.04217.83
5.6.400.0160.01215.89
5.6.390.0180.01116.06
5.6.380.0030.01615.96
5.6.370.0100.01016.02
5.6.360.0060.02116.16
5.6.350.0110.00916.00
5.6.340.0030.02316.17
5.6.330.0040.01616.18
5.6.320.0160.01016.04
5.6.310.0100.01016.09
5.6.300.0090.00915.81
5.6.290.0220.00616.18
5.6.280.0080.02518.65
5.6.270.0100.01915.98
5.6.260.0110.01116.05
5.6.250.0110.03018.26
5.6.240.0050.04818.27
5.6.230.0050.05318.35
5.6.220.0070.04718.26
5.6.210.0070.04618.30
5.6.200.0060.03618.51
5.6.190.0130.04518.58
5.6.180.0070.04818.71
5.6.170.0090.04518.48
5.6.160.0080.02918.52
5.6.150.0020.05418.59
5.6.140.0110.03018.61
5.6.130.0120.04218.71
5.6.120.0150.02518.64
5.6.110.0030.03218.54
5.6.100.0100.04018.59
5.6.90.0040.02818.62
5.6.80.0050.03018.29
5.6.70.0060.02518.29
5.6.60.0110.02118.26
5.6.50.0140.01518.23
5.6.40.0030.02818.26
5.6.30.0100.03618.36
5.6.20.0050.02718.20
5.6.10.0050.02918.19
5.6.00.0080.02318.17
5.5.380.0160.03718.17
5.5.370.0020.05318.09
5.5.360.0090.04618.38
5.5.350.0100.04718.20
5.5.340.0130.04318.44
5.5.330.0150.03318.38
5.5.320.0160.03818.47
5.5.310.0120.04218.45
5.5.300.0100.03318.45
5.5.290.0180.02118.29
5.5.280.0020.03818.54
5.5.270.0070.02718.29
5.5.260.0080.02718.44
5.5.250.0040.02718.28
5.5.240.0090.02718.16
5.5.230.0050.02717.97
5.5.220.0050.02618.10
5.5.210.0020.02718.23
5.5.200.0030.02818.19
5.5.190.0080.02518.03
5.5.180.0080.03318.05
5.5.170.0100.01016.00
5.5.160.0070.02518.09
5.5.150.0050.02818.07
5.5.140.0090.02417.99
5.5.130.0050.02718.03
5.5.120.0060.04818.21
5.5.110.0020.03018.09
5.5.100.0060.02418.09
5.5.90.0070.02518.08
5.5.80.0050.02717.96
5.5.70.0090.04618.07
5.5.60.0080.02518.13
5.5.50.0050.02617.94
5.5.40.0050.02718.05
5.5.30.0030.02818.16
5.5.20.0050.02817.86
5.5.10.0080.02517.89
5.5.00.0080.02618.03

preferences:
26.28 ms | 401 KiB | 5 Q